| A | B |
|---|
| basal state | early morning after fasting for at least 12 hrs |
| reference range | normal laboratory test value for healthy individual |
| age, altitutde, dehydration | physiologic variables |
| decreased oxygen levels | higher altitude |
| increased RBC production | happens to climbers at Mount Everest |
| dehydration | decrease in total bodyfluid |
| hemoconcentration | blood components can't leave bloodstream and accumulate in plasma |
| diet restriction for test | fasting 12 hours |
| lipemic specimen | serum or plasma looks milky or cloudy |
| lipemia | high lipid content in blood |
| cortisol (stress hormone) | peaks at around 8AM |
| diurnal | happening daily |
| circadian | having 24 hr clycle |
| chemotherapy | can cause decrease in WBCs and plts |
| therapeutic drugs | timing is critical |
| exercise, fever, gender | more physiologic variables |
| jaundice (yellowbile deposits) | increased bilirubin |
| position, pregnancy, smoking | even more physiologic variables |
| temperature and humidity | environmental factors that can affect composition of body fluids |
